EP1639196B1 - Papiermaschinenbespannung - Google Patents

Papiermaschinenbespannung Download PDF

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Publication number
EP1639196B1
EP1639196B1 EP04742145A EP04742145A EP1639196B1 EP 1639196 B1 EP1639196 B1 EP 1639196B1 EP 04742145 A EP04742145 A EP 04742145A EP 04742145 A EP04742145 A EP 04742145A EP 1639196 B1 EP1639196 B1 EP 1639196B1
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EP
European Patent Office
Prior art keywords
binding
paper
machine
yarns
yarn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP04742145A
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English (en)
French (fr)
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EP1639196A1 (de
Inventor
Seppo Taipale
Terttu Turpeinen
Tania Rautio
Pekka Kortelainen
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Metso Fabrics PMC Oy
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Tamfelt Oyj AB
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Publication of EP1639196A1 publication Critical patent/EP1639196A1/de
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Publication of EP1639196B1 publication Critical patent/EP1639196B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths
    • D21F1/0045—Triple layer fabrics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/3089—Cross-sectional configuration of strand material is specified
    • Y10T442/3106—Hollow strand material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/322—Warp differs from weft

Definitions

  • the invention relates to a paper machine fabric comprising at least two machine direction yarn systems.
  • the yarn systems are bound together by means of a binding yarn, binding yarns or a pair of binding yarns.
  • the basic structure and most properties of paper are mainly determined in the forming section of a paper machine.
  • paper pulp is injected from a head box to a paper machine fabric, which pulp typically contains approximately 99 % of water, the rest being fibres and possible fillers and additives.
  • a paper machine fabric which pulp typically contains approximately 99 % of water, the rest being fibres and possible fillers and additives.
  • Most of the water contained in the pulp is removed through the paper machine fabric.
  • One property of a paper web is dry content.
  • the dry content after the forming section refers to the proportion of fibres and fillers in the total basis weight. The dry content is expressed as per cents. For example, the weight of a sample is 500 g and the weight of a dried sample is 100 g, in which case the sample has contained 400 g of water, and thus the dry content is 20 %.
  • the aim is that after the forming section the dry content will be as high as possible, because it is more energy-efficient to remove water in the forming section than in the pressing and drying section. Owing to high dry content, the runnability of the paper machine is improved and the number of breaks is reduced. The life time of press felts also gets longer owing to smaller amounts of water. High dry content after the forming section is usually achieved with thin fabrics. The running speeds of paper machines have increased and will increase further in the future, and therefore properties required of paper machine fabrics, such as water removal capacity, stability, clean running and non-splashing, will increase in significance.
  • double layer paper machine fabric structures i.e. double layer forming fabrics
  • These structures comprise one warp system and two weft systems.
  • the technology of a double layer paper machine fabric is described in US patent 4 041 989 , for example.
  • the highest dry content has been achieved with such double layer forming fabrics, because they are, owing to the one-warp system, thin.
  • the warp yarns of double layer forming fabrics are relatively thin.
  • the warps are quite adjacent or even slightly overlapping, whereby the amount of cross-direction yarn remains low and there will not be sufficiently many support points for the paper fibres. This results marking and low retention, for instance.
  • Retention refers to the ratio of paper fibres and fillers remaining on the forming fabric to the amount of fed matter in per cents. For example, if all paper fibres and fillers remain on the paper machine fabric, the retention is 100 %, and if half of the paper fibres and fillers remain on the paper machine fabric, the retention is 50 %.
  • the one-warp system causes low diagonal stability for the paper machine fabric.
  • High diagonal stability means that the cross machine direction and machine direction yarns are well locked to each other at the crossing points and the forming fabric is stable.
  • the paper machine fabric comprises at least two machine direction yarn systems.
  • the yarn systems are bound together by means of a binding yarn, binding yarns or pairs of binding yarns.
  • the invention is characterized in that the binding yarn, binding yarns or a pair of binding yarns of the binding yarn system travels on the machine side under at least two non-adjacent bottom warps without ever travelling under two or more adjacent warps at the point where the binding yarn binds the layers of the paper side and machine side together.
  • An advantage of the structure according to the invention is its low calliper, which contributes to obtaining good dry content in the forming section.
  • the paper machine fabric can be made thin, because the structure does not utilize conventional bottom warps, but the machine side is formed of a warp system and a binding yarn system.
  • a thin structure is the small void volume, which in a paper machine means that the forming fabric carries only a low amount of water and there is less splashing. Since there are no bottom wefts in the structure, machine direction warp paths are formed on the machine side in the structure. Between these warp paths, there remain nearly uninterrupted water removal channels. With such a machine side structure, the water removal effect of the vacuum of the paper machine can be efficiently transmitted to the paper web, and good dry content is achieved.
  • a thin structure is also beneficial in the edge trimming of the paper web. It is easier for the edge trim squirt to push the fibres through a thin fabric, whereby the edge trimming is more likely to succeed and breaks are reduced.
  • the structure according to the invention is flexible in the machine direction, which facilitates efficient functioning of loadable blades in newer former structures, whereby water removal is made more efficient and paper formation is improved.
  • Paper formation refers here to small-scale variation in the basis weight of paper. When the variation in the basis weight is great, the formation is poor, and when the variation in the basis weight is small, the formation is good.
  • the water removal elements are positioned in the cross-machine direction, in other words they are parallel with the weft yarn systems of the paper machine fabric presently used in the forming section.
  • the bottom wefts collide with the water removal elements, and bottom weft displacement may occur in the paper machine fabric.
  • it is mainly the bottom warps of the paper machine fabric that are in contact with the water removal elements, whereby there are no collisions and the load of the paper machine is reduced.
  • the structure according to the invention there is an open machine side, which means that there will be a large number of cross machine direction yarns on the paper side of the structure, and still, the air permeability of the paper machine fabric is sufficiently open. It is easy to keep such a structure clean, and good fibre support is provided for the paper fibre. Thus, the retention of the paper is improved and the marking is decreased.
  • the double warp system and the large number of crossing points on the paper side make the paper machine fabric stable and give good diagonal stability to it.
  • the paper machine fabric according to the invention comprises at least two machine direction yarn systems, for instance a top warp system and a bottom warp system.
  • the structure always comprises a binding yarn system which binds the warp systems together.
  • the structure according to the invention does not utilize conventional bottom wefts, but the machine side is formed of a warp system and a binding yarn systems.
  • a top weft system is additionally used.
  • the binding yarn system may contain a binding yarn, binding yarns or a pair of binding yarns. A binding yarn or binding yarns are always bound to more than one bottom warp.
  • one binding yarn and one top weft function as the weft yarns of the paper side.
  • the paper side is formed in such a way that the binding yarn is bound to top warps, and the top weft is arranged to replenish on the paper side the yarn path formed by the abovementioned binding yarn at the points where said binding yarn is interwoven to bottom warps on the machine side.
  • binding yarns as the weft yarns of the paper side.
  • the binding yarns are arranged in such a way that two binding yarns woven side by side form a continuous weft path on the paper side.
  • a third binding yarn structure according to the invention in turn, comprises two binding yarns woven side by side, which form a continuous weft path and, at the same time, a pair of binding yarns on the paper side.
  • one or more top wefts are woven between these pairs of binding yarns.
  • One structure according to the invention utilizes a binding yarn solution similar to the one used in FI patent publication 110131 .
  • the structure of the publication comprises a substitute yarn provided with a binding yarn woven on both sides thereof, and the substitute yarn is arranged to replenish the two yarn paths formed by the abovementioned two binding yarns at points where the abovementioned two binding yarns are interwoven with the machine side.
  • Figures 1a and 1b show an embodiment of a paper machine fabric according to the invention, comprising a top warp system and a bottom warp system. Further, the structure comprises a binding yarn system that binds the top warp system and the bottom warp system together.
  • a layer forming the paper side is indicated with reference numeral 1, a layer forming the machine side being indicated with reference numeral 2.
  • top warps are indicated with reference numeral 3.
  • Bottom warps are indicated by reference numeral 4 in Figures 1 a and 1b.
  • the layer 1 forming the paper side and the layer 2 forming the machine side are bound together with a binding yarn system.
  • Binding yarns are indicated with reference numerals 5 and 6. In the weave pattern repeat of this structure, the binding yarns 5 and 6 are arranged in such a way that two binding yarns woven side by side form a continuous weft path on the paper side.
  • Figure 1a shows binding of the binding yarn 5.
  • the binding yarn 5 is bound on the paper side surface to the top warps 3, forming part of the layer weave, after which the binding yarn 5 moves down to the machine side layer and is bound to the bottom warps 4, forming part of the layer weave and binding, at the same time, the layers of the paper side and machine side together.
  • Binding of the binding yarn 5 to the bottom warps 4 takes place as follows: under one bottom warp, over one, under one, over one, under one.
  • Figure 1b shows, correspondingly, binding of a binding yarn 6.
  • the binding yarn 6 is bound on the paper side surface to top warps 3, forming part of the layer weave, after which the binding yarn 6 moves down to the machine side layer and is bound to the bottom warps 4, forming part of the layer weave and binding, at the same time, the layers of the paper side and machine side together. Binding of the binding yarn 6 to the bottom warps 4 takes place as follows: under one bottom warp, over one, under one.
  • the binding yarns 5 and 6 of Figures 1 a and 1 b form on the paper side a continuous weft path and, at the same time, a pair of binding yarns.
  • the weave of the weft yarn is a plain weave. In the weave pattern repeat, the pair of binding yarns is repeated according to a selected number of steps.
  • Figures 2a and 2b show a second embodiment of a paper machine fabric according to the invention, comprising a top warp system and a bottom warp system. Further, the structure comprises a binding yarn system binding the top warp system and bottom warp system together. The structure also comprises a top weft system.
  • the layer forming the paper side is indicated with reference numeral 1 and the layer forming the machine side is indicated with reference numeral 2.
  • top warps are indicated with reference numeral 3.
  • the bottom warps are indicated with reference numeral 4.
  • the layer 1 forming the paper side and the layer 2 forming the machine side are bound together with a binding yarn system.
  • a binding yarn is indicated with reference numeral 7.
  • the structure also comprises a top weft system.
  • a top weft is indicated with reference numeral 8.
  • the weave pattern repeat of this structure comprises alternately a binding yarn 7 and a top weft 8.
  • the paper side is formed in such a way that the top weft 8 is arranged to supplement on the paper side the yarn path formed by the binding yarn 7 at the points where the binding yarn 7 is bound to the machine side.
  • Figure 2a shows binding of the binding yarn 7.
  • Figure 2b shows, correspondingly, binding of the top weft 8.
  • the binding yarn 7 is bound to the top warps 3 on the paper side surface, forming part of the layer weave, after which the binding yarn 7 moves down to the machine side layer and is bound to the bottom warps 4, forming part of the layer weave and binding, at the same time, the layers of the paper side and machine side together.
  • Binding of the binding yarn 7 to the bottom warps 4 takes place as follows: under one bottom warp, over one, under one, over one, under one. In the weave pattern repeat, the binding yarn 7 and the top weft 8 are repeated according to a selected number of steps.
  • Figures 3a to 3d show a third embodiment of a paper machine fabric according to the invention, comprising a top warp system and a bottom warp system. Further, the structure comprises a binding yarn system that binds the top warp system and bottom warp system together. The structure also comprises a top weft system.
  • the layer forming the paper side is indicated with reference numeral 1 and the layer forming the machine side is indicated with reference numeral 2.
  • the top warps are indicated with reference numeral 3 in Figures 3a to 3d.
  • the bottom warps are indicated with reference numeral 4 in Figures 3a and 3d.
  • the layer 1 forming the paper side and the layer 2 forming the machine side are bound together with a binding yarn system.
  • binding yarns are indicated with reference numerals 9 and 10.
  • Top wefts of Figures 3c and 3b are indicated with reference numerals 11 and 12.
  • the binding yarns 9 and 10 are arranged in such a way that two binding yarns woven side by side form on the paper side a continuous weft path, and at the same time, a pair of binding yarns.
  • two top wefts 11 and 12 are also woven between these pairs of binding yarns.
  • Figure 3a shows binding of the binding yarn 9.
  • the binding yarn 9 is bound on the surface of the paper side to the top warps 3, forming part of the layer weave, after which the binding yarn 9 moves down to the machine side layer and is bound to the bottom warps 4, forming part of the layer weave and binding, at the same time, the layers of the paper side and machine side together.
  • Binding of the binding yarn 9 to the bottom warps 4 takes place as follows: under one bottom warp, over one, under one, over one, under one.
  • Figure 3b shows binding of the binding yarn 10.
  • the binding yarn 10 is bound on the surface of the paper side to the top warps 3, forming part of the layer weave, after which the binding yarn 10 moves down to the machine side layer and is bound to the bottom warps 4, forming part of the layer weave and binding, at the same time, the layers of the paper side and machine side together.
  • Binding of the binding yarn 10 to the bottom warps 4 takes place as follows: under one bottom warp, over one, under one.
  • the binding yarns 9 and 10 of Figures 3a and 3b form a continuous weft path on the paper side.
  • a plain weave functions as the weave of the weft path.
  • Figure 3c shows binding of the top warp 11 and Figure 3d shows binding of the top weft 12.
  • the top wefts 11 and 12 are bound to form a plain weave, and in this way, they continue the weave formed by a pair of binding yarns on the paper side surface. In the weave pattern repeat, the pair of binding yarns is repeated according to a selected number of steps.
  • binding yarn, binding yarns or a pair of binding yarns is/are bound to more than one bottom warp at the point where the binding yarn binds the layers of the paper side and machine side together.
  • the paper machine fabric according to the invention can also be implemented in such a way that the structure comprises several binding yarns and, in addition, 0, 1 or more top wefts and a substitute weft.
  • the substitute weft is provided with a binding yarn woven on both sides thereof, and the substitute weft is arranged to replenish the two yarn paths formed by the abovementioned binding yarns at points where the abovementioned binding yarns are interwoven with the machine side.
  • the substitute weft can be arranged to travel between the layers 1 and 2 when the binding yarn is bound to the top warps on the surface of the paper side.
  • FIGs 1 to 3 are examples of the paper machine fabric according to the invention.
  • One preferred ratio of the top warps to the bottom warps is 1:1.
  • the top warps are thinner than the bottom warps and they are aligned.
  • Figures 4a to 4c show examples of different binding alternatives of binding yarns on the machine side, warp ratios and warp thicknesses.
  • the top warps are indicated with reference numeral 3.
  • the bottom warps are indicated with reference numeral 4 in Figures 4a to 4c.
  • Binding yarns are indicated with reference numeral 13.
  • binding of the binding yarn 13 to the bottom warps 4 takes place as follows: under one bottom warp, over one, under one.
  • the ratio of the top warps to the bottom warps is 1:1 and the top warps are thicker than the bottom warps.
  • binding of the binding yarn 13 to the bottom warps 4 takes place as follows: under one bottom warp, over one, under one, over one, under one.
  • the ratio of the top warps to the bottom warps is 1:2, and the top warps are thicker than the bottom warps.
  • binding of the binding yarn 13 to the bottom warps 4 takes place as follows: under one bottom warp, over three, under one.
  • the ratio of the top warps to the bottom warps is 1:1, the top warps are thinner than the bottom ones, and the warps are in a staggered position relative to each other.
  • the following table shows comparison of a preferred structure according to Figures 3a to 3d, a double layer forming fabric and an SSB structure.
  • the paper machine fabrics of the table are suitable to be run at the same position in the paper machine.
  • PROPERTY Structure according to the invention Double layer forming fabric Structure bound with a binding yarn pair Air permeability 5 000 5 000 5 100
  • MD YARNS ⁇ /density Top warp (mm/l/cm) 0.14/ 31.5 0.15/ 73.8 0.14/ 31.1 Bottom warp (mm/l/cm) 0.21/ 31.5 - 0.21/ 31.1
  • CMD YARNS ⁇ / density Top weft (mm/l/cm) 0.13/ 31.0 0.16/ 27.7 0.13/ 12.35
  • the table shows that the structure according to the invention is significantly thinner than the other ones and that it has also a small void volume.
  • Such a structure does not carry water with it, which means that the rewetting of the paper web is reduced.
  • When functioning as the top forming fabric in the paper machine such a structure does not splash water to the paper web when turning to the return cycle.
  • Most paper machines have a high vacuum box as the last water removal element before the paper web moves on to the pressing section.
  • the effect of the high vacuum box on the dry content is significant.
  • the edge trimming of the paper web is more likely to succeed through a thin structure, because it is easier for the edge trim squirt to push the fibres, whereby breaks are also reduced. The edge trimming is also facilitated by sufficient dry content.
  • MD bending stiffness indicates the rigidity of the paper machine fabric in the machine direction.
  • the structure according to the invention has lower bending stiffness than the SSB structure. Owing to its more flexible structure, the paper machine fabric according to the invention yields better to the water removal elements, whereby the dry content and formation are improved.
  • the firmness of the paper machine fabric is measured by diagonal stability.
  • the diagonal stability of the structure according to the invention is lowest in the comparison, in other words it is the firmest, which contributes to achieving uniform paper profiles.
  • a firm paper machine fabric travels straight in the paper machine, and there will be no guiding problems.
  • the SP count i.e. the support point number of fibres
  • the structure according to the invention has an SP count that is 27 % greater than in the SSB structure, in other words the structure according to the invention provides excellent fibre support and mechanical retention, which means savings in chemicals.
  • Newer gap former solutions comprise what are called loadable blades, the task of which is to cause turbulence in the paper web and thus to improve formation.
  • the loadable blade area In order for the formation-improving effect of the loadable blades to be optimal, the loadable blade area must be provided with a sufficient amount of water, which can be done with a structure having a dense surface which restrains the intensive removal of initial water, typical of a gap former.
  • Separate layers can be formed very freely, in other words in such a way that the number of yarn systems may vary; what is essential is that there are at least two warp systems, i.e. the top and the bottom warp system.
  • the binding wefts and in some structures the top wefts form for example plain weave on the paper side surface. Also other weaves can be used instead of it, for example satin or twill weaves.
  • the binding of the top wefts may be similar to or different from the binding of the binding yarns.
  • the weaves of the binding yarns may also vary freely within the basic idea of the invention.
  • the yarns or part of the yarns may also be for instance what are called profile yarns, the cross-section of which deviates from round, being for example flat or oval, or of another shape.
  • the yarns may also be hollow, in which case they can flatten in the fabric, which makes the structure even thinner than before.
  • the yarn materials used are typically polyester or polyamide, but also PEN (polyethylene napthalate), PPS (polyphenylene sulfide) or different bicomponent yarns are possible.
  • the invention is not, by any means, restricted to the above examples, but it may be applied with different yarns. Fabric properties can be affected by the selection of yarn properties, thus achieving, for instance, a thinner structure than before or an even paper side surface, etc.

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  • Paper (AREA)
  • Inorganic Insulating Materials (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Claims (12)

  1. Papiermaschinengewebe mit mindestens zwei Maschinenrichtungsfadensystemen, d.h. einem Fadensystem, das aus oberen Ketten (3) gebildet ist, und einem Fadensystem, das aus unteren Ketten (4) gebildet ist, die angeordnet sind, um eine Papierseitenschicht (1) und eine Maschinenseitenschicht (2) des Papiermaschinengewebes zu bilden, wobei die Maschinenrichtungsfadensysteme durch ein Bindefadensystem zusammen gebunden sind, das aus Bindefäden gebildet ist, wobei die Bindefäden beim Bilden der Papierseitenschicht teilnehmen, wodurch die Maschinenseitenschicht (2) lediglich aus unteren Ketten (4) des Maschinenseitenkettensystems und Bindefäden (5, 6; 7; 9, 10; 13) des Bindefadensystems gebildet wird, dadurch gekennzeichnet, dass der Bindefaden (7, 13), die Bindefäden (5, 6) oder ein Paar von Bindefäden (9, 10) des Bindefadensystems auf der Maschinenseite unter mindestens zwei nicht benachbarten unteren Ketten (4) läuft, ohne jemals unter zwei oder mehreren benachbarten unteren Ketten (4) an dem Punkt zu laufen, bei dem der Bindefaden (5, 6; 7; 9, 10; 13) die Schichten (1, 2) der Papierseite und Maschinenseite zusammen bindet.
  2. Papiermaschinengewebe gemäß Anspruch 1, dadurch gekennzeichnet, dass mindestens ein oberer Schuss (8) zwischen den benachbarten Bindefaden (7) gewebt ist.
  3. Papiermaschinengewebe gemäß Anspruch 1, dadurch gekennzeichnet, dass mindestens ein oberer Schuss (8) zwischen jedem benachbarten Bindefaden (7) gewebt ist, wodurch der obere Schuss (8) angeordnet ist, um auf der Papierseite den durch den Bindefaden (7) gebildeten Bindepfad an den Punkten zu ergänzen, bei denen der Bindefaden an der Maschinenseite gebunden ist.
  4. Papiermaschinengewebe gemäß Anspruch 1, dadurch gekennzeichnet, dass die Bindefäden (5, 6) auf eine derartige Art und Weise gebildet sind, dass zwei nebeneinander gewebte Bindefaden (5, 6) einen kontinuierlichen Schusspfad auf der Papierseite bilden.
  5. Papiermaschinengewebe gemäß Anspruch 1, dadurch gekennzeichnet, dass das Paar von Bindefäden zwei nebeneinander gewebte Bindefäden (9, 10) umfasst, die einen kontinuierlichen Schusspfad auf der Papierseite bilden, und das ein oder mehrere Schüsse (11, 12) zwischen den benachbarten Paaren von Bindefäden gewebt sind.
  6. Papiermaschinengewebe gemäß Anspruch 1, dadurch gekennzeichnet, dass die Struktur 0, 1 oder mehrere obere Schüsse und einen Ersatzschuss umfasst, wodurch ein Bindefaden auf beiden Seiten des Ersatzschusses gewebt wird, und der Ersatzschuss angeordnet ist, um die durch die Bindefäden gebildeten beiden Schusspfade an den Punkten wieder aufzufüllen, bei denen die Bindefäden an der Maschinenseite miteinander verwoben sind.
  7. Papiermaschinengewebe gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anzahl von Maschinenrichtungsfäden (4) der die Maschinenseite bildenden Schicht (2) größer oder kleiner als die Anzahl von Maschinenrichtungsfäden (3) der die Papierseite bildenden Schicht (1) ist.
  8. Papiermaschinengewebe gemäß einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Anzahl von Maschinenrichtungsfäden (4) der die Maschinenseite bildenden Schicht (2) die gleiche wie die Anzahl von Maschinenrichtungsfäden (3) der die Papierseite bildenden Schicht (1) ist.
  9. Papiermaschinengewebe gemäß einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Durchmesser der Maschinenrichtungsfäden (4) der die Maschinenseite bildenden Schicht (2) kleiner oder größer als der Durchmesser der Maschinenrichtungsfäden (3) der die Papierseite bildenden Schicht (1) ist.
  10. Papiermaschinengewebe gemäß einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Durchmesser der Maschinenrichtungsfäden (4) der die Maschinenseite bildenden Schicht (2) gleich dem Durchmesser der Maschinenrichtungsfäden (3) der die Papierseite bildenden Schicht (1) ist.
  11. Papiermaschinengewebe gemäß einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Querschnitt von einem, einigen oder allen Fäden des Papiermaschinengewebes von der runden Form abweicht.
  12. Papiermaschinengewebe gemäß einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass ein, einige oder alle Fäden des Papiermaschinengewebes hohl ist/sind.
EP04742145A 2003-06-30 2004-06-29 Papiermaschinenbespannung Not-in-force EP1639196B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20030983A FI20030983A (fi) 2003-06-30 2003-06-30 Paperikonekudos
PCT/FI2004/000402 WO2005001197A1 (en) 2003-06-30 2004-06-29 Paper machine fabric

Publications (2)

Publication Number Publication Date
EP1639196A1 EP1639196A1 (de) 2006-03-29
EP1639196B1 true EP1639196B1 (de) 2007-09-26

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EP04742145A Not-in-force EP1639196B1 (de) 2003-06-30 2004-06-29 Papiermaschinenbespannung

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US (1) US7507679B2 (de)
EP (1) EP1639196B1 (de)
JP (1) JP2007520639A (de)
KR (1) KR101108882B1 (de)
CN (1) CN1816661A (de)
AT (1) ATE374280T1 (de)
AU (1) AU2004252245B2 (de)
CA (1) CA2525200C (de)
DE (1) DE602004009179T2 (de)
DK (1) DK1639196T3 (de)
ES (1) ES2290729T3 (de)
FI (1) FI20030983A (de)
NO (1) NO20060459L (de)
NZ (1) NZ543411A (de)
PT (1) PT1639196E (de)
WO (1) WO2005001197A1 (de)

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US7124781B2 (en) * 2005-02-01 2006-10-24 Albany International Corp. Multiple contour binders in triple layer fabrics
FI118856B (fi) * 2005-10-06 2008-04-15 Tamfelt Pmc Oy Paperikonekudos
US7275566B2 (en) * 2006-02-27 2007-10-02 Weavexx Corporation Warped stitched papermaker's forming fabric with fewer effective top MD yarns than bottom MD yarns
US7581567B2 (en) * 2006-04-28 2009-09-01 Weavexx Corporation Papermaker's forming fabric with cross-direction yarn stitching and ratio of top machine direction yarns to bottom machine direction yarns of 2:3
CA2672006C (en) * 2006-12-08 2014-06-17 Voith Patent Gmbh Fabric belt for a machine for the production of web material, particularly paper or cardboard
DE102006059482A1 (de) * 2006-12-08 2008-06-12 Voith Patent Gmbh Gewebeband für eine Maschine zur Herstellung von Bahnmaterial, insbesondere Papier oder Karton
US7644738B2 (en) * 2007-03-28 2010-01-12 Albany International Corp. Through air drying fabric
CA2634432A1 (en) * 2008-06-09 2009-12-09 Richard Stone High fiber support intrinsic warp tied composite forming fabric
EP2199458B1 (de) 2008-12-22 2011-04-06 Heimbach GmbH & Co.KG Formiersieb
DE102012207044A1 (de) * 2012-04-27 2013-10-31 Voith Patent Gmbh Formiersieb
ES2563193T3 (es) * 2014-01-28 2016-03-11 Heimbach Gmbh & Co. Kg Tela de máquina papelera
KR101669040B1 (ko) 2015-03-18 2016-11-22 주식회사 아이에스텍 폐백토와 염색 슬러지를 이용한 고형화 연료의 제조방법
JP7083658B2 (ja) * 2018-02-15 2022-06-13 日本フイルコン株式会社 工業用二層織物
CN111364276A (zh) * 2020-03-19 2020-07-03 安徽太平洋特种网业有限公司 一种用于造纸成型网的w形绑接方式

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US4361618A (en) * 1981-05-18 1982-11-30 Ascoe Felts, Inc. Papermakers felt with improved drainage
SE430425C (sv) 1981-06-23 1986-09-19 Nordiskafilt Ab Formeringsvira for pappers-, cellulosa- eller liknande maskiner
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JP2007520639A (ja) 2007-07-26
KR101108882B1 (ko) 2012-01-30
WO2005001197A1 (en) 2005-01-06
FI20030983A (fi) 2004-12-31
US7507679B2 (en) 2009-03-24
FI20030983A0 (fi) 2003-06-30
ES2290729T3 (es) 2008-02-16
CN1816661A (zh) 2006-08-09
DK1639196T3 (da) 2008-01-07
DE602004009179D1 (de) 2007-11-08
CA2525200A1 (en) 2005-01-06
NZ543411A (en) 2007-05-31
DE602004009179T2 (de) 2008-07-03
NO20060459L (no) 2006-03-22
EP1639196A1 (de) 2006-03-29
AU2004252245B2 (en) 2009-04-09
US20070006933A1 (en) 2007-01-11
AU2004252245A1 (en) 2005-01-06
PT1639196E (pt) 2007-10-12
KR20060036063A (ko) 2006-04-27
CA2525200C (en) 2012-08-28
ATE374280T1 (de) 2007-10-15

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